89130680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11311}}^1$

素因数の和:11519

約数の個数: 32

約数和(自身を含む): 201579840

約数和(自身を除く): 112449160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 11311, 22622, 45244, 56555, 90488, 113110, 226220, 452440, 2228267, 4456534, 8913068, 11141335, 17826136, 22282670, 44565340, 89130680]

約数ペア:

[(1, 89130680), (2, 44565340), (4, 22282670), (5, 17826136), (8, 11141335), (10, 8913068), (20, 4456534), (40, 2228267), (197, 452440), (394, 226220), (788, 113110), (985, 90488), (1576, 56555), (1970, 45244), (3940, 22622), (7880, 11311)]